FreeBSDA6860B11-0DEE-11EB-94FF-6805CA2FA271powerdns-recursor -- cache pollution
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.004 Low
EPSS
Percentile
72.5%
PowerDNS Team reports:
CVE-2020-25829: An issue has been found in PowerDNS Recursor where a
remote attacker can cause the cached records for a given name to be
updated to the ‘Bogus’ DNSSEC validation state, instead of their actual
DNSSEC ‘Secure’ state, via a DNS ANY query. This results in a denial
of service for installations that always validate (dnssec=validate)
and for clients requesting validation when on-demand validation is
enabled (dnssec=process).
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| FreeBSD | any | noarch | powerdns-recursor | = 4.3.0 | UNKNOWN |
| FreeBSD | any | noarch | powerdns-recursor | < 4.3.5 | UNKNOWN |
Related
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.004 Low
EPSS
Percentile
72.5%